Portable telephone



FIG. 1 is a right, front perspective view of a portable telephone showing my new design in a closed position;

FIG. 2 is a front plan view of a portable telephone showing my new design in a closed position;

FIG. 3 is a rear plan view of a portable telephone showing my new design in a closed position;

FIG. 4 is a left side plan view of a portable telephone showing my new design in a closed position;

FIG. 5 is a right side plan view of a portable telephone showing my new design in a closed position;

FIG. 6 is a top plan view of a portable telephone showing my new design in a closed position;

FIG. 7 is a bottom plan view of a portable telephone showing my new design in a closed position;

FIG. 8 is a front plan view of a portable telephone showing my new design in a right oriented open position; and,

FIG. 9 is a front plan view of a portable telephone showing my new design in a left oriented open position. 

The ornamental design for a portable telephone, as shown and described. 